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| Mirrors > Home > ILE Home > Th. List > funvtxval0d | GIF version | ||
| Description: The set of vertices of an extensible structure with a base set and (at least) another slot. (Contributed by AV, 22-Sep-2020.) (Revised by AV, 7-Jun-2021.) (Revised by AV, 12-Nov-2021.) |
| Ref | Expression |
|---|---|
| funvtxval0.s | ⊢ 𝑆 ∈ V |
| funvtxval0d.g | ⊢ (𝜑 → 𝐺 ∈ 𝑉) |
| funvtxval0d.fun | ⊢ (𝜑 → Fun (𝐺 ∖ {∅})) |
| funvtxval0d.ne | ⊢ (𝜑 → 𝑆 ≠ (Base‘ndx)) |
| funvtxval0d.dm | ⊢ (𝜑 → {(Base‘ndx), 𝑆} ⊆ dom 𝐺) |
| Ref | Expression |
|---|---|
| funvtxval0d | ⊢ (𝜑 → (Vtx‘𝐺) = (Base‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | basendxnn 13386 | . . 3 ⊢ (Base‘ndx) ∈ ℕ | |
| 2 | 1 | elexi 2834 | . 2 ⊢ (Base‘ndx) ∈ V |
| 3 | funvtxval0.s | . 2 ⊢ 𝑆 ∈ V | |
| 4 | funvtxval0d.g | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑉) | |
| 5 | funvtxval0d.fun | . 2 ⊢ (𝜑 → Fun (𝐺 ∖ {∅})) | |
| 6 | funvtxval0d.ne | . . 3 ⊢ (𝜑 → 𝑆 ≠ (Base‘ndx)) | |
| 7 | 6 | necomd 2506 | . 2 ⊢ (𝜑 → (Base‘ndx) ≠ 𝑆) |
| 8 | funvtxval0d.dm | . 2 ⊢ (𝜑 → {(Base‘ndx), 𝑆} ⊆ dom 𝐺) | |
| 9 | 2, 3, 4, 5, 7, 8 | funvtxdm2vald 16186 | 1 ⊢ (𝜑 → (Vtx‘𝐺) = (Base‘𝐺)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1402 ∈ wcel 2209 ≠ wne 2420 Vcvv 2821 ∖ cdif 3217 ⊆ wss 3220 ∅c0 3520 {csn 3705 {cpr 3706 dom cdm 4769 Fun wfun 5366 ‘cfv 5372 ℕcn 9283 ndxcnx 13327 Basecbs 13330 Vtxcvtx 16167 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-cnex 8260 ax-resscn 8261 ax-1re 8263 ax-addrcl 8266 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3636 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-1st 6364 df-1o 6677 df-2o 6678 df-en 7013 df-dom 7014 df-inn 9284 df-ndx 13333 df-slot 13334 df-base 13336 df-vtx 16169 |
| This theorem is referenced by: (None) |
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